How Liftoff improved conversion performance and reduced infrastructure costs with Cortex using AWS Graviton
Industries Blog
This article describes how Liftoff, a mobile advertising technology provider, built and scaled Cortex, their AI-powered growth platform, using AWS Graviton processors to improve performance and reduce costs.
- Cortex makes over 2 billion predictions per second for mobile ad targeting
- Evolved from logistic regression models to neural networks for better accuracy
- AWS Graviton processors provide up to 40% better price performance than x86
- Training jobs use 32-128 Graviton EC2 instances for Apache Spark clusters
- Migrated bidding servers from Intel c5 to Graviton c7g/c8g instances
- Achieved improved conversion performance while lowering infrastructure costs
- Cortex launched officially in October 2024
Liftoff successfully leveraged AWS Graviton's performance and cost efficiency to scale their machine learning platform for real-time mobile ad serving at massive scale.
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